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The following is based largely on the author's summary. Observations were made in 1964-68 on the biology and ecology of rice stem borers in Sarawak (E...
Read moreLarge gulls (Larus) spp. are voracious predators of eggs and chicks of other colonial birds and may threaten rare or endangered species. We tested the...
Read moreSummary only. Chloride content of the soils and groundwater was very high and varied in different parts of the swamp but each profile showed little se...
Read moreThe following is virtually the author's summary. Studies were carried out in 1958-62 on some of the factors that affect the formation of bands of hopp...
Read moreThe following is virtually the author's summary. Since 1950, egg breakage has occurred with unprecedented frequency in the nests of peregrines (Falco ...
Read moreWetland ecosystems throughout the world are threatened by drainage and intensification of agriculture. Consequently, many wetland species of conservat...
Read moreThe authors present a model simulating the effects of the acridid Melanoplus sanguinipes on the yield of spring wheat planted in infested stubble. The...
Read moreEggs which were removed from a chytrid-infected population of Valcheta frogs shortly after laying and then hatched in a clean environment resulted in ...
Read moreThe populations of Operophtera brumata (L.) on 8 cider apple trees of 4 cultivars were monitored from October 1972 until May 1975 in Western England. ...
Read moreEffects of goose faeces on salt marsh vegetation at La Pérouse Bay, Manitoba together with the processes of faecal decay, were studied in order to det...
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